Dual USB Solar Charger - 5600mAh Battery, Portable, Dustproof, Waterproof, Fire Resistant, 8 LED Lights This Solar Power Bank comes with a 5600mAh battery and features a dual USB output. Waterproof and dustproof, its a great way to keep your gadgets charged at all times. 6941377713237 Solar Products Electronics Gadgets Sungzu SC002 Dual USB Solar Charger